870830820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{181}}^1\times {\mathrm{26729}}^1$

素因数の和:26925

約数の個数: 72

約数和(自身を含む): 2656213560

約数和(自身を除く): 1785382740

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 181, 362, 543, 724, 905, 1086, 1629, 1810, 2172, 2715, 3258, 3620, 5430, 6516, 8145, 10860, 16290, 26729, 32580, 53458, 80187, 106916, 133645, 160374, 240561, 267290, 320748, 400935, 481122, 534580, 801870, 962244, 1202805, 1603740, 2405610, 4811220, 4837949, 9675898, 14513847, 19351796, 24189745, 29027694, 43541541, 48379490, 58055388, 72569235, 87083082, 96758980, 145138470, 174166164, 217707705, 290276940, 435415410, 870830820]

約数ペア:

[(1, 870830820), (2, 435415410), (3, 290276940), (4, 217707705), (5, 174166164), (6, 145138470), (9, 96758980), (10, 87083082), (12, 72569235), (15, 58055388), (18, 48379490), (20, 43541541), (30, 29027694), (36, 24189745), (45, 19351796), (60, 14513847), (90, 9675898), (180, 4837949), (181, 4811220), (362, 2405610), (543, 1603740), (724, 1202805), (905, 962244), (1086, 801870), (1629, 534580), (1810, 481122), (2172, 400935), (2715, 320748), (3258, 267290), (3620, 240561), (5430, 160374), (6516, 133645), (8145, 106916), (10860, 80187), (16290, 53458), (26729, 32580)]